Class FilterIterator.RetainedVariableFilteredQueryEvaluationContext
- java.lang.Object
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- org.eclipse.rdf4j.query.algebra.evaluation.iterator.FilterIterator.RetainedVariableFilteredQueryEvaluationContext
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- All Implemented Interfaces:
QueryEvaluationContext
- Enclosing class:
- FilterIterator
public static final class FilterIterator.RetainedVariableFilteredQueryEvaluationContext extends Object implements QueryEvaluationContext
This is used to make sure that no variable is seen by the filter that are not in scope. Historically important in subquery cases.
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Nested Class Summary
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Nested classes/interfaces inherited from interface org.eclipse.rdf4j.query.algebra.evaluation.impl.QueryEvaluationContext
QueryEvaluationContext.Minimal
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Constructor Summary
Constructors Constructor Description RetainedVariableFilteredQueryEvaluationContext(Filter node, QueryEvaluationContext contextToFilter)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Function<BindingSet,Binding>getBinding(String variableName)DatasetgetDataset()LiteralgetNow()Function<BindingSet,Value>getValue(String variableName)Predicate<BindingSet>hasBinding(String variableName)BiConsumer<Value,MutableBindingSet>setBinding(String variableName)-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.eclipse.rdf4j.query.algebra.evaluation.impl.QueryEvaluationContext
addBinding, createBindingSet, createBindingSet
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Constructor Detail
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RetainedVariableFilteredQueryEvaluationContext
public RetainedVariableFilteredQueryEvaluationContext(Filter node, QueryEvaluationContext contextToFilter)
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Method Detail
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getNow
public Literal getNow()
- Specified by:
getNowin interfaceQueryEvaluationContext- Returns:
- the shared now;
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getDataset
public Dataset getDataset()
- Specified by:
getDatasetin interfaceQueryEvaluationContext- Returns:
- The dataset that this query is operation on.
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hasBinding
public Predicate<BindingSet> hasBinding(String variableName)
- Specified by:
hasBindingin interfaceQueryEvaluationContext
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getBinding
public Function<BindingSet,Binding> getBinding(String variableName)
- Specified by:
getBindingin interfaceQueryEvaluationContext
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getValue
public Function<BindingSet,Value> getValue(String variableName)
- Specified by:
getValuein interfaceQueryEvaluationContext
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setBinding
public BiConsumer<Value,MutableBindingSet> setBinding(String variableName)
- Specified by:
setBindingin interfaceQueryEvaluationContext
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